shortened display text of variable proposal in content assist
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / PHPSyntaxRdr.java
index 20f6404..fb51811 100644 (file)
@@ -6,12 +6,17 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
-import java.util.Vector;
+import java.util.ArrayList;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
 
 import net.sourceforge.phpeclipse.IPreferenceConstants;
 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
@@ -21,9 +26,6 @@ import net.sourceforge.phpeclipse.phpeditor.php.PHPFunction;
 import net.sourceforge.phpeclipse.phpeditor.php.PHPKeyword;
 import net.sourceforge.phpeclipse.phpeditor.php.PHPType;
 
-import org.apache.xml.serialize.OutputFormat;
-import org.apache.xml.serialize.Serializer;
-import org.apache.xml.serialize.SerializerFactory;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.jface.preference.IPreferenceStore;
@@ -35,278 +37,273 @@ import org.w3c.dom.NodeList;
 import org.w3c.dom.Text;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
 
 /**
  * <code>PHPSyntaxRdr</code> reads PHP specifics from an XML file (eg. keywords) 
  */
 
 public class PHPSyntaxRdr {
-       private static final String PHPDEFAULT_FILE = "default-phpsyntax.xml"; //$NON-NLS-1$
-       private static final String PHPSYNTAX_FILE = "phpsyntax.xml"; //$NON-NLS-1$
-       private static final String USERSYNTAX_FILE = "usersyntax.xml"; //$NON-NLS-1$
-       private static final String USERDEFAULT_FILE = "default-usersyntax.xml"; //$NON-NLS-1$
-       private static final String PHPSYNTAX_TAG = "phpsyntax"; //$NON-NLS-1$
-       private static final String KEYWORD_ATTR = "keyword"; //$NON-NLS-1$
-       private static final String TYPE_ATTR = "type"; //$NON-NLS-1$
-       private static final String CONSTANT_ATTR = "constant"; //$NON-NLS-1$
-       private static final String FN_ATTR = "function"; //$NON-NLS-1$
-       private static final String USAGE_ATTR = "usage"; //$NON-NLS-1$
-       private static final String TOKENVAL_ATTR = "tokenval"; //$NON-NLS-1$
-       private static IPreferenceStore store;
-       private static boolean hasXMLFileBeenRead = true;
+//  private static final String PHPDEFAULT_FILE = "default-syntax.xml"; //$NON-NLS-1$
+  private static final String PHPSYNTAX_FILE = "syntax.xml"; //$NON-NLS-1$
+//  private static final String USERSYNTAX_FILE = "usersyntax.xml"; //$NON-NLS-1$
+//  private static final String USERDEFAULT_FILE = "default-usersyntax.xml"; //$NON-NLS-1$
+  private static final String PHPSYNTAX_TAG = "s"; //$NON-NLS-1$
+  private static final String KEYWORD_ATTR = "k"; //$NON-NLS-1$
+  private static final String TYPE_ATTR = "t"; //$NON-NLS-1$
+  private static final String CONSTANT_ATTR = "c"; //$NON-NLS-1$
+  private static final String FN_ATTR = "f"; //$NON-NLS-1$
+  private static final String USAGE_ATTR = "u"; //$NON-NLS-1$
+//  private static final String TOKENVAL_ATTR = "tokenval"; //$NON-NLS-1$
+  private static IPreferenceStore store;
+  private static boolean hasXMLFileBeenRead = true;
 
-       //The following variable is used to hold the syntax from
-       //the suers custom file - if that file should be changed,
-       //then all entries in this variable should be removed from
-       //the word list, reread from the file and then reinserted.
-       private static Vector userdefsyntaxdata;
+  //The following variable is used to hold the syntax from
+  //the suers custom file - if that file should be changed,
+  //then all entries in this variable should be removed from
+  //the word list, reread from the file and then reinserted.
+  private static ArrayList userdefsyntaxdata;
 
-       private static Vector syntaxdata;
+  private static ArrayList syntaxdata;
 
-       public PHPSyntaxRdr() {
-               syntaxdata = new Vector();
-               store = PHPeclipsePlugin.getDefault().getPreferenceStore();
-       }
+  public PHPSyntaxRdr() {
+    // see getSyntaxData()
+    syntaxdata = null;
+    store = PHPeclipsePlugin.getDefault().getPreferenceStore();
+  }
 
-       public static void readInSyntax() {
-               try {
-                       hasXMLFileBeenRead = true;
-                       /*Attempt to read the syntax file from the metadata
-                        * if this does not work, create metadata from default*/
-                       File syntaxFile = getSyntaxFile();
-                       if (syntaxFile.exists()) {
-                               readFromFile(syntaxFile);
-                       } else {
-                               readFromStream(
-                                       PHPSyntaxRdr.class.getResourceAsStream(PHPSYNTAX_FILE));
-                               saveToFile(syntaxFile);
-                       }
-                       /*Read the user-defined syntax file if it exists*/
-                       //String buffer = new String(store.getString(PHPeclipsePlugin.PHP_USERDEF_XMLFILE));
-                       if (store == null)
-                               store = PHPeclipsePlugin.getDefault().getPreferenceStore();
-                       String buffer =
-                               new String(
-                                       store.getString(IPreferenceConstants.PHP_USERDEF_XMLFILE));
-                       if (!(buffer.equals("") || buffer == null)) {
-                               readFromFile(buffer);
-                       }
-               } catch (CoreException ce) {
-                       ce.printStackTrace();
-               }
-       }
+  public static void readInSyntax() {
+    try {
+      hasXMLFileBeenRead = true;
+      /*Attempt to read the syntax file from the metadata
+       * if this does not work, create metadata from default*/
+      File syntaxFile = getSyntaxFile();
+      if (syntaxFile.exists()) {
+        readFromFile(syntaxFile);
+      } else {
+        readFromStream(PHPSyntaxRdr.class.getResourceAsStream(PHPSYNTAX_FILE));
+        saveToFile(syntaxFile);
+      }
+      /*Read the user-defined syntax file if it exists*/
+      //String buffer = new String(store.getString(PHPeclipsePlugin.PHP_USERDEF_XMLFILE));
+      if (store == null)
+        store = PHPeclipsePlugin.getDefault().getPreferenceStore();
+      String buffer = new String(store.getString(IPreferenceConstants.PHP_USERDEF_XMLFILE));
+      if (!(buffer.equals("") || buffer == null)) {
+        readFromFile(buffer);
+      }
+    } catch (CoreException ce) {
+      ce.printStackTrace();
+    }
+  }
 
-       public static void readFromFile(String filename) {
-               try {
-                       readFromFile(new File(filename));
-               } catch (CoreException e) {
-               }
-       }
+  public static void readFromFile(String filename) {
+    try {
+      readFromFile(new File(filename));
+    } catch (CoreException e) {
+    }
+  }
 
-       public static void readFromFile(File file) throws CoreException {
-               InputStream stream = null;
+  public static void readFromFile(File file) throws CoreException {
+    InputStream stream = null;
 
-               if (file.exists()) {
-                       try {
-                               stream = new FileInputStream(file);
-                               readFromStream(stream);
-                       } catch (IOException e) {
-                               throwReadException(e);
-                       } finally {
-                               try {
-                                       if (stream != null) {
-                                               stream.close();
-                                       }
-                               } catch (IOException e) {
-                               }
-                       }
-               }
-       }
-       public static void readFromStream(InputStream stream)
-               throws CoreException {
-               try {
-                       DocumentBuilderFactory factory =
-                               DocumentBuilderFactory.newInstance();
-                       DocumentBuilder parser = factory.newDocumentBuilder();
-                       Document document = parser.parse(new InputSource(stream));
-                       //Read in the Standard PHPSyntax "stuff"
-                       NodeList elements = document.getElementsByTagName(PHPSYNTAX_TAG);
+    if (file.exists()) {
+      try {
+        stream = new FileInputStream(file);
+        readFromStream(stream);
+      } catch (IOException e) {
+        throwReadException(e);
+      } finally {
+        try {
+          if (stream != null) {
+            stream.close();
+          }
+        } catch (IOException e) {
+        }
+      } 
+    }
+  }
+  public static void readFromStream(InputStream stream) throws CoreException {
+    try {
+      DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+      DocumentBuilder parser = factory.newDocumentBuilder();
+      Document document = parser.parse(new InputSource(stream));
+      //               Read in the Standard PHPSyntax "stuff"
+      NodeList elements = document.getElementsByTagName(PHPSYNTAX_TAG);
 
-                       int count = elements.getLength();
-                       for (int i = 0; i != count; i++) {
-                               Node node = elements.item(i);
-                               NamedNodeMap attributes = node.getAttributes();
+      int count = elements.getLength();
+      for (int i = 0; i != count; i++) {
+        Node node = elements.item(i);
+        NamedNodeMap attributes = node.getAttributes();
 
-                               if (attributes == null)
-                                       continue;
+        if (attributes == null)
+          continue;
 
-                               String Keyword = getAttributeValue(attributes, KEYWORD_ATTR);
-                               String Type = getAttributeValue(attributes, TYPE_ATTR);
-                               String Function = getAttributeValue(attributes, FN_ATTR);
-                               String Constant = getAttributeValue(attributes, CONSTANT_ATTR);
-                               String usage = getAttributeValue(attributes, USAGE_ATTR);
-                               String Tokenval = getAttributeValue(attributes, TOKENVAL_ATTR);
+        String Keyword = getAttributeValue(attributes, KEYWORD_ATTR);
+        String Type = getAttributeValue(attributes, TYPE_ATTR);
+        String Function = getAttributeValue(attributes, FN_ATTR);
+        String Constant = getAttributeValue(attributes, CONSTANT_ATTR);
+        String usage = getAttributeValue(attributes, USAGE_ATTR);
+//        String Tokenval = getAttributeValue(attributes, TOKENVAL_ATTR);
+      
+        StringBuffer buffer = new StringBuffer();
+        NodeList children = node.getChildNodes();
+        for (int j = 0; j != children.getLength(); j++) {
+          String value = children.item(j).getNodeValue();
+          if (value != null)
+            buffer.append(value);
+        }
+        String description = buffer.toString().trim();
 
-                               StringBuffer buffer = new StringBuffer();
-                               NodeList children = node.getChildNodes();
-                               for (int j = 0; j != children.getLength(); j++) {
-                                       String value = children.item(j).getNodeValue();
-                                       if (value != null)
-                                               buffer.append(value);
-                               }
-                               String description = buffer.toString().trim();
+        if (Keyword == null && Type == null && Function == null && Constant == null) {
+          //ignore as it is not a valid phpsyntax tag
+        } else {
+          if (Keyword != null) {
+//            syntaxdata.add(new PHPKeyword(Keyword, usage, Tokenval));
+            syntaxdata.add(new PHPKeyword(Keyword, usage));
+          } else if (Type != null) {
+            syntaxdata.add(new PHPType(Type, usage));
+          } else if (Function != null) {
+            syntaxdata.add(new PHPFunction(Function, usage, description));
+          } else if (Constant != null) {
+            syntaxdata.add(new PHPConstant(Constant, null, description));
+          }
+        }
+      }
+    } catch (ParserConfigurationException e) {
+      throwReadException(e);
+    } catch (IOException e) {
+      throwReadException(e);
+    } catch (SAXParseException e) {
+      System.out.println("SAXParseException in line:"+e.getLineNumber()+" column:"+e.getColumnNumber());
+      throwReadException(e);
+    } catch (SAXException e) {
+      throwReadException(e);
+    }
+  }
 
-                               if (Keyword == null
-                                       && Type == null
-                                       && Function == null
-                                       && Constant == null) {
-                                       //ignore as it is not a valid phpsyntax tag
-                               } else {
-                                       if (Keyword != null) {
-                                               syntaxdata.addElement(
-                                                       new PHPKeyword(Keyword, usage, Tokenval));
-                                       } else if (Type != null) {
-                                               syntaxdata.addElement(new PHPType(Type, usage));
-                                       } else if (Function != null) {
-                                               syntaxdata.addElement(
-                                                       new PHPFunction(Function, usage, description));
-                                       } else if (Constant != null) {
-                                               syntaxdata.addElement(new PHPConstant(Constant, usage));
-                                       }
-                               }
-                       }
-               } catch (ParserConfigurationException e) {
-                       throwReadException(e);
-               } catch (IOException e) {
-                       throwReadException(e);
-               } catch (SAXException e) {
-                       throwReadException(e);
-               }
-       }
+  public static ArrayList getSyntaxData() {
+    if (syntaxdata == null) {
+      syntaxdata = new ArrayList();
+      readInSyntax();
+    }
+    return syntaxdata;
+  }
 
-       public static Vector getsyntaxdata() {
-               return (Vector) syntaxdata.clone();
-       }
+  public static void replaceUserDefFile() {
+    /*Replace the user-defined syntax file if it exists*/
+    String buffer = new String(store.getString(IPreferenceConstants.PHP_USERDEF_XMLFILE));
+    if (!buffer.equals("") || buffer == null) {
+      readFromFile(buffer);
+    }
+  }
 
-       public static void replaceUserDefFile() {
-               /*Replace the user-defined syntax file if it exists*/
-               String buffer =
-                       new String(
-                               store.getString(IPreferenceConstants.PHP_USERDEF_XMLFILE));
-               if (!buffer.equals("") || buffer == null) {
-                       readFromFile(buffer);
-               }
-       }
+  public static ArrayList getUserSyntaxData() {
+    return userdefsyntaxdata;
+  }
 
-       public static Vector getUserDefinitions() {
-               return (Vector) userdefsyntaxdata.clone();
-       }
+  private static File getSyntaxFile() {
+    IPath path = PHPeclipsePlugin.getDefault().getStateLocation();
+    path = path.append(PHPSYNTAX_FILE);
+    return path.toFile();
+  }
 
-       private static File getSyntaxFile() {
-               IPath path = PHPeclipsePlugin.getDefault().getStateLocation();
-               path = path.append(PHPSYNTAX_FILE);
-               return path.toFile();
-       }
+  private static String getAttributeValue(NamedNodeMap attributes, String name) {
+    Node node = attributes.getNamedItem(name);
+    return node == null ? null : node.getNodeValue();
+  }
 
-       private static String getAttributeValue(
-               NamedNodeMap attributes,
-               String name) {
-               Node node = attributes.getNamedItem(name);
-               return node == null ? null : node.getNodeValue();
-       }
+  public static void saveToFile(File file) throws CoreException {
+    OutputStream stream = null;
+    try {
+      stream = new FileOutputStream(file);
+      saveToStream(stream);
+    } catch (IOException e) {
+      throwWriteException(e);
+    } finally {
+      try {
+        if (stream != null)
+          stream.close();
+      } catch (IOException e) {
+      }
+    }
+  }
 
-       public static void saveToFile(File file) throws CoreException {
-               OutputStream stream = null;
-               try {
-                       stream = new FileOutputStream(file);
-                       saveToStream(stream);
-               } catch (IOException e) {
-                       throwWriteException(e);
-               } finally {
-                       try {
-                               if (stream != null)
-                                       stream.close();
-                       } catch (IOException e) {
-                       }
-               }
-       }
+  public static void saveToStream(OutputStream stream) throws CoreException {
+    try {
+      DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+      DocumentBuilder builder = factory.newDocumentBuilder();
+      Document document = builder.newDocument();
+      Node root = document.createElement("PHPStandardSyntax"); // $NON-NLS-1$ //$NON-NLS-1$
+      document.appendChild(root);
+      for (int i = 0; i != syntaxdata.size(); i++) {
+        Object bufferobj = (Object) syntaxdata.get(i);
+        Attr name = null;
+        Node node = document.createElement(PHPSYNTAX_TAG); // $NON-NLS-1$ //$NON-NLS-1$
+        root.appendChild(node);
+        NamedNodeMap attributes = node.getAttributes();
+        if (bufferobj instanceof PHPType)
+          name = document.createAttribute(TYPE_ATTR);
+        if (bufferobj instanceof PHPKeyword)
+          name = document.createAttribute(KEYWORD_ATTR);
+        if (bufferobj instanceof PHPFunction)
+          name = document.createAttribute(FN_ATTR);
+        if (bufferobj instanceof PHPConstant)
+          name = document.createAttribute(CONSTANT_ATTR);
+        name.setValue(((PHPElement) bufferobj).getName());
+        attributes.setNamedItem(name);
+        Attr description = document.createAttribute(USAGE_ATTR);
+        description.setValue(((PHPElement) bufferobj).getUsage());
+        attributes.setNamedItem(description);
+//        if (bufferobj instanceof PHPKeyword) {
+//          Attr tokenval = document.createAttribute(TOKENVAL_ATTR);
+//          tokenval.setValue((new Integer(((PHPKeyword) bufferobj).gettokenval())).toString());
+//          attributes.setNamedItem(tokenval);
+//        }
+        if (bufferobj instanceof PHPFunction) {
+          //      Attr usage = document.createAttribute(USAGE_ATTR);
+          Text usage = document.createTextNode(((PHPFunction) bufferobj).getDescription());
+          node.appendChild(usage);
+        }
+        if (bufferobj instanceof PHPConstant) {
+            //      Attr usage = document.createAttribute(USAGE_ATTR);
+            Text usage = document.createTextNode(((PHPConstant) bufferobj).getDescription());
+            node.appendChild(usage);
+          }
+      }
+      Transformer transformer=TransformerFactory.newInstance().newTransformer();
+               transformer.setOutputProperty(OutputKeys.METHOD, "xml"); //$NON-NLS-1$
+               transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); //$NON-NLS-1$
+               DOMSource source = new DOMSource(document);
+               StreamResult result = new StreamResult(stream);
 
-       public static void saveToStream(OutputStream stream) throws CoreException {
-               try {
-                       DocumentBuilderFactory factory =
-                               DocumentBuilderFactory.newInstance();
-                       DocumentBuilder builder = factory.newDocumentBuilder();
-                       Document document = builder.newDocument();
-                       Node root = document.createElement("PHPStandardSyntax"); // $NON-NLS-1$ //$NON-NLS-1$
-                       document.appendChild(root);
-                       for (int i = 0; i != syntaxdata.size(); i++) {
-                               Object bufferobj = (Object) syntaxdata.get(i);
-                               Attr name = null;
-                               Node node = document.createElement(PHPSYNTAX_TAG); // $NON-NLS-1$ //$NON-NLS-1$
-                               root.appendChild(node);
-                               NamedNodeMap attributes = node.getAttributes();
-                               if (bufferobj instanceof PHPType)
-                                       name = document.createAttribute(TYPE_ATTR);
-                               if (bufferobj instanceof PHPKeyword)
-                                       name = document.createAttribute(KEYWORD_ATTR);
-                               if (bufferobj instanceof PHPFunction)
-                                       name = document.createAttribute(FN_ATTR);
-                               if (bufferobj instanceof PHPConstant)
-                                       name = document.createAttribute(CONSTANT_ATTR);
-                               name.setValue(((PHPElement) bufferobj).getName());
-                               attributes.setNamedItem(name);
-                               Attr description = document.createAttribute(USAGE_ATTR);
-                               description.setValue(((PHPElement) bufferobj).getUsage());
-                               attributes.setNamedItem(description);
-                               if (bufferobj instanceof PHPKeyword) {
-                                       Attr tokenval = document.createAttribute(TOKENVAL_ATTR);
-                                       tokenval.setValue(
-                                               (new Integer(((PHPKeyword) bufferobj).gettokenval()))
-                                                       .toString());
-                                       attributes.setNamedItem(tokenval);
-                               }
-                               if (bufferobj instanceof PHPFunction) {
-                                       //      Attr usage = document.createAttribute(USAGE_ATTR);
-                                       Text usage =
-                                               document.createTextNode(
-                                                       ((PHPFunction) bufferobj).getDescription());
-                                       node.appendChild(usage);
-                                       //          usage.setValue(((PHPFunction) bufferobj).getUsage());
-                                       //          attributes.setNamedItem(usage);
-                               }
-                       }
-                       OutputFormat format = new OutputFormat();
-                       format.setPreserveSpace(true);
-                       try {
-                               Serializer serializer =
-                                       SerializerFactory.getSerializerFactory(
-                                               "xml").makeSerializer(
-                                               stream,
-                                               format);
-                               serializer.asDOMSerializer().serialize(document);
-                       } catch (UnsupportedEncodingException e) {
-                       } catch (IOException e) {
-                       } //$NON-NLS-1$
-                       //                      Serializer serializer = SerializerFactory.getSerializer().makeSerializer(stream, format); //$NON-NLS-1$
-               } catch (ParserConfigurationException e) {
-                       throwWriteException(e);
-                       //        } catch (IOException e) {
-                       //            throwWriteException(e);
-               }
-       }
+               transformer.transform(source, result);
 
-       private static void throwReadException(Throwable t) throws CoreException {
-               PHPeclipsePlugin.log(t);
-               //              IStatus status= new JavaUIStatus(JavaStatusConstants.TEMPLATE_IO_EXCEPTION,
-               //                      TemplateMessages.getString("TemplateSet.error.read"), t); //$NON-NLS-1$
-               //              throw new JavaUIException(status);
-       }
+       } catch (ParserConfigurationException e) {
+               throwWriteException(e);
+       } catch (TransformerException e) {
+               throwWriteException(e);
+       }               
+//      OutputFormat format = new OutputFormat();
+//      format.setPreserveSpace(true);
+//      try {
+//        Serializer serializer = SerializerFactory.getSerializerFactory("xml").makeSerializer(stream, format);
+//        serializer.asDOMSerializer().serialize(document);
+//      } catch (UnsupportedEncodingException e) {
+//      } catch (IOException e) {
+//      } //$NON-NLS-1$
+//      //                     Serializer serializer = SerializerFactory.getSerializer().makeSerializer(stream, format); //$NON-NLS-1$
+//    } catch (ParserConfigurationException e) {
+//      throwWriteException(e);
+//    }
+  }
 
-       private static void throwWriteException(Throwable t) throws CoreException {
-               PHPeclipsePlugin.log(t);
-               //              IStatus status= new JavaUIStatus(JavaStatusConstants.TEMPLATE_IO_EXCEPTION,
-               //                      TemplateMessages.getString("TemplateSet.error.write"), t); //$NON-NLS-1$
-               //              throw new JavaUIException(status);
-       }
+  private static void throwReadException(Throwable t) throws CoreException {
+    PHPeclipsePlugin.log(t);
+  }
+
+  private static void throwWriteException(Throwable t) throws CoreException {
+    PHPeclipsePlugin.log(t);
+  }
 
 }